Boating Knowledge Base

Have a sailing question? Access NauticEd’s sailing and boating knowledge base, and gain in-depth answers to your sailing questions. If you’re interested in powerboating, visit our new powerboating blog.

Torqeedo Power 48-5000 lithium battery for electric sailboats, dimensions: 23x10x8.6 (577.5x253x218 mm).

Available Energy Stored in a Battery

You don’t actually run all of the electron charge out of a battery when it is considered empty.
April 13, 2024/by Grant Headifen
Aerial view of a sailboat and motorboat on open water, showcasing serene sailing experience and adventure.

Overtaking Vessels

When overtaking another vessel, we quote the rules exactly because they are incredibly clear...
August 28, 2023/by Grant Headifen
Red powder fire extinguisher with blue handle, essential for boat safety and emergency preparedness on board.

Sailboat Fire Extinguishers and Requirements

Fire Extinguishers Fire Extinguishers are given a letter rating that matches the type of fire they will be battling.
October 13, 2023/by Grant Headifen
Man showing fish to child and another person on a boat, enjoying a sunny day at sea.

Fishing on a Charter

Bring a fishing rod and reel with a 20 lb break strength line. Even if you’re not typically a fisher, few things in life are better than catching a fish for your crew, cooking it, and serving it that evening. It will increase your hero status.
April 7, 2024/by Grant Headifen
Sailing diagram showing prop walk effect causing boat to veer off desired path due to strong wind and speed factors.

Prop Walk Bests You

There is one situation where you are just going to have to suck it up, admit defeat, and work with the forces of nature.
June 9, 2024/by Grant Headifen
Disassembled marine toilet pump with clog evidence on white boat floor.

Sailing Vessel Preparation

Sometimes it is a good idea to get nasty stuff out of the way first as well as prepare your boat and crew.
October 25, 2023/by Grant Headifen
Diagram showing wind direction effects on a sail: trimmed, backwinding, and luffing stages.

Luffing and Backwinding Sails

Luffing is when the sail is flapping in the wind. Back winding happens usually right before luffing occurs.
August 22, 2023/by Grant Headifen

Mooring a Sailboat

Mooring a vessel means attaching it to a float that is firmly and permanently anchored to the sea bottom.
October 14, 2023/by Grant Headifen
Sailboat docked at a marina with a neatly coiled rope on the pier under a clear blue sky.

Securing Your Sailboat

It is convenient to have dock lines that are pre-set to the right length with loops on the end and are permanently mounted onto the marina cleats. Now, when you return to the dock you simply slip the loops over your vessel cleats.
October 12, 2023/by Grant Headifen

Sailing Safety Introduction

Emergencies at sea extend from simple and almost funny episodes to major challenges that are extremely serious.
October 19, 2023/by Grant Headifen
Sailboat with underwater propeller motion illustration beneath a clear sky.

Dual Rudder Monohulls

When a monohull sailboat has dual rudders, the boat will act with different characteristics than with a single rudder. Thus, the point of this module is to help you maneuver a dual-rudder monohull sailboat.
May 13, 2024/by Grant Headifen
Red and white diver down flag indicating scuba diving activity or a submerged diver in the area.

Non-Electronic Communications

Sailing has been around for thousands of years. Electronic Communications has been around for less than 100 years (not counting the telegraph).
October 24, 2023/by Grant Headifen

Basic Surface Geometry

Below is a brief summary of how locations are commonly expressed on different surfaces.
October 13, 2023/by Grant Headifen
View of a sailboat's helm with a wooden wheel against a clear blue sky and open sea, conveying serene sailing moments.

Operating the Engine – Getting Familiar with a Charter Boat

Many modern sailboats are equipped with integrated engine throttle and transmission shift systems; called the push-pull cabling system. 
April 5, 2024/by Grant Headifen
Satellite image of hurricane approaching Caribbean islands, highlighting storm path critical for sailing safety.

Weather Predictions

While we have touched on weather concepts in this Module, no one can expect you to be a meteorologist (unless you are one) and do a good enough job at predicting the weather with enough quality to guarantee your safety.
October 13, 2023/by Grant Headifen
Sea anchor setup on a yacht deck with tow line and deflate line labeled for easy sailing navigation and safety.

Sea Anchor

Finally, there is something called a “sea anchor.” These can be a variety of devices used to slow down a vessel caught in high winds and turbulent seas.
October 13, 2023/by Grant Headifen
Diagram of yacht communication and navigation system with satellite, GPS, radar, WiFi, and autopilot integration.

Electronic Communications

Nowadays, gigabytes of data can be sent in a second as a digital signal. It is all a complete Wow!
October 22, 2023/by Grant Headifen
Three people having a relaxed conversation on a sailboat at sunset.

The Types of Sailing Charters

There are two types of sailing charters; captained and bareboat. The captained charters have a professional captain on board to navigate and operate the vessel, and usually...
April 4, 2024/by Grant Headifen
Coast Guard rescue helicopter with a crew member performing a daring sea operation in clear blue skies.

Sailing Personnel Emergencies

As the skipper of a vessel, you are expected to be able to handle situations thrust upon you at a moment’s notice. Many of these situations are boat-related issues, but there are also crew injury issues for which you should be prepared to assess and handle at least enough until professional assistance arrives.
October 16, 2023/by Grant Headifen
Person relaxing on an inflatable chair near a sailboat at sunset, serene ocean views, perfect for a peaceful sailing adventure.

Selecting an Anchoring Spot

Selecting an Anchoring Spot - Charts, both electronic and paper will tell you where the reliable anchoring spots are.
April 12, 2024/by Grant Headifen
Sailor in survival suit boarding liferaft from yacht for safety drill on calm water, emergency preparedness at sea.

Sinking

A boat sits down in the water until it has displaced the same weight of water as the weight of the boat. It is a universal arrangement between boat and water...
October 25, 2023/by Grant Headifen
Open yacht anchor locker with chain and windlass, showcasing teak deck and railing against blue sea backdrop.

Electric Windlass

An electric windlass is a powerful electric winch that greatly helps in the lowering and raising the anchor.
October 23, 2023/by Grant Headifen
Couple relaxing on the deck of a sailing yacht, enjoying a sunny day on clear blue water.

Anchoring Basics

Anchoring is not simply throwing a "hook" and letting out a line. Although by watching some sailors this seems to be their theory. The best way to approach anchoring is to dissect it into a series of individual steps.
April 13, 2024/by Grant Headifen
Diagram illustrating catamaran maneuvering with throttle controls, spring line, and wind effect in docking scenarios.

Catamaran Maneuvering Mastery

As now learned, Cats can turn inside their own length, they can vector sideways, and using the bulldozer effect you can instantly rotate the Cat to point in any direction, you can do almost anything.
June 1, 2025/by Grant Headifen

Last updated on December 6th, 2024